📢 QuizNe.vn will officially cease operations on 27/08/2026. Thank you for being with us.
- √3 + 1
- -√3 - 1
- -√3 + 1
- √3 - 1
![[Toán 9] Ôn tập kiến thức tổng hợp](/_next/image?url=https%3A%2F%2Fs3.ap-southeast-1.amazonaws.com%2Fquizne-media%2Fgame%2Fb14ef117-8ccd-4520-a335-a84d8736a08f%2Fblue-illustrative-travel-journal-presentation-2223464436.png&w=3840&q=75)
